/Engine/Source/Runtime/Engine/Public/RenderAssetUpdate.h
Defines the next step to be executed. The next step will be executed by calling the callback on the specified thread. The callback (for both success and cancelation) will only be executed if TaskSynchronization reaches 0. If all requirements are immediately satisfied when calling the PushTask the relevant callback will be called immediately.
void PushTask ( const [FContext](API\Runtime\Engine\TRenderAssetUpdate\FContext) & Context, [EThreadType](API\Runtime\Engine\FRenderAssetUpdate\EThreadType) InTaskThread, const [FCallback](API\Runtime\Engine\TRenderAssetUpdate\FCallback) & InTaskCallback, [EThreadType](API\Runtime\Engine\FRenderAssetUpdate\EThreadType) InCancelationThread, const [FCallback](API\Runtime\Engine\TRenderAssetUpdate\FCallback) & InCancelationCallback )